sys-kernel/linux-{image,sources}-redcore-lts :HEADmaster

* version bump to v4.14.75
* adjust MuQSS v0.162 CPU scheduler to linux-hardened and enable it by default
* add BFQ-SQ v8r12 I/O scheduler and enable it by default
* lower HZ to 100 (recommended value for MuQSS enabled kernels)
* disable dynamic ticks (MuQSS itself is a tickless scheduler, so no longer required)

1 files changed, 200 insertions, 0 deletions

diff --git a/packages/sys-kernel/linux-image-redcore-lts/linux-image-redcore-lts-4.14.75.exheres-0 b/packages/sys-kernel/linux-image-redcore-lts/linux-image-redcore-lts-4.14.75.exheres-0
new file mode 100644
index 0000000..f795e28
--- /dev/null
+++ b/packages/sys-kernel/linux-image-redcore-lts/linux-image-redcore-lts-4.14.75.exheres-0
@@ -0,0 +1,200 @@
+# Copyright 2018 Redcore Linux Project
+# Distributed under the terms of the GNU General Public License v2
+
+SUMMARY="Redcore Linux Project LTS Kernel Image"
+DESCRIPTION="Redcore Linux Project LTS Kernel Image"
+HOMEPAGE="https://redcorelinux.org"
+
+DOWNLOADS="https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-${PV}.tar.xz"
+
+LICENCES="GPL-2"
+SLOT="${PV}"
+PLATFORMS="~amd64"
+
+EXTRAVERSION="redcore-lts"
+KV_FULL=""${PV}"-"${EXTRAVERSION}""
+
+MYOPTIONS="
+    cryptsetup [[ description = [ Use sys-fs/cryptsetup to unlock LUKS encrypted partitions ] ]]
+    dkms       [[ description = [ Use sys-kernel/dkms to build 3rd party dkms kernel modules ] ]]
+    dracut     [[ description = [ Use sys-boot/dracut to create initramfs images ] ]]
+    mdadm      [[ description = [ Use sys-fs/mdadm to create, manage, and monitor Linux MD (software RAID) devices ] ]]
+"
+
+DEPENDENCIES="
+    build:
+        app-arch/xz
+        sys-apps/bc
+        sys-devel/make
+    build+run:
+        cryptsetup? ( sys-fs/cryptsetup )
+        dkms? (
+            sys-kernel/dkms
+            sys-kernel/linux-sources-redcore-lts:"${SLOT}"
+        )
+        dracut? ( sys-boot/dracut )
+        mdadm? ( sys-fs/mdadm )
+        firmware/linux-firmware
+"
+
+DEFAULT_SRC_PREPARE_PATCHES=(
+    "${FILES}"/introduce-NUMA-identity-node-sched-domain.patch
+    "${FILES}"/k10temp-add-ZEN-support.patch
+    "${FILES}"/mute-pps_state_mismatch.patch
+    "${FILES}"/restore-SD_PREFER_SIBLING-on-MC-domains.patch
+    "${FILES}"/Revert-ath10k-activate-user-space-firmware-loading.patch
+    "${FILES}"/linux-hardened.patch
+    "${FILES}"/uksm-linux-hardened.patch
+    "${FILES}"/0001-MuQSS-version-0.162-CPU-scheduler-linux-hardened.patch
+    "${FILES}"/0002-Make-preemptible-kernel-default.patch
+    "${FILES}"/0003-Expose-vmsplit-for-our-poor-32-bit-users.patch
+    "${FILES}"/0004-Create-highres-timeout-variants-of-schedule_timeout-.patch
+    "${FILES}"/0005-Special-case-calls-of-schedule_timeout-1-to-use-the-.patch
+    "${FILES}"/0006-Convert-msleep-to-use-hrtimers-when-active.patch
+    "${FILES}"/0007-Replace-all-schedule-timeout-1-with-schedule_min_hrt.patch
+    "${FILES}"/0008-Replace-all-calls-to-schedule_timeout_interruptible-.patch
+    "${FILES}"/0009-Replace-all-calls-to-schedule_timeout_uninterruptibl.patch
+    "${FILES}"/0010-Don-t-use-hrtimer-overlay-when-pm_freezing-since-som.patch
+    "${FILES}"/0011-Make-hrtimer-granularity-and-minimum-hrtimeout-confi.patch
+    "${FILES}"/0012-Reinstate-default-Hz-of-100-in-combination-with-MuQS.patch
+    "${FILES}"/0013-Make-threaded-IRQs-optionally-the-default-which-can-.patch
+    "${FILES}"/0014-Swap-sucks.patch
+    "${FILES}"/0015-MuQSS.c-needs-irq_regs.h-to-use-get_irq_regs.patch
+    "${FILES}"/0016-unfuck-MuQSS-on-linux-4_14_15+.patch
+    "${FILES}"/0001-BFQ-v8r12-20171108.patch
+    "${FILES}"/0002-BFQ-v8r12-20180404.patch
+    "${FILES}"/0001-pkg-config.patch
+    "${FILES}"/0002-objtool-dont-hardcore-ar.patch
+)
+
+WORK="${WORKBASE}"/linux-"${PV}"
+
+pkg_setup() {
+    exdirectory --allow /boot
+
+    export KBUILD_BUILD_USER="nexus"
+    export KBUILD_BUILD_HOST="nexus.redcorelinux.org"
+
+    export REAL_ARCH="$ARCH"
+    unset ARCH ; unset LDFLAGS #will interfere with Makefile if set
+}
+
+src_prepare() {
+    default
+
+    src_prepare_params=(
+        CC="${CC}"
+        HOSTCC="${CC}"
+    )
+
+    edo emake \
+        "${src_prepare_params[@]}" \
+        mrproper
+
+    edo sed -ri "s|^(EXTRAVERSION =).*|\1 -${EXTRAVERSION}|" Makefile
+    edo cp "${FILES}"/"${EXTRAVERSION}"-amd64.config .config
+    edo rm -rf $(find . -type f|grep -F \.orig)
+}
+
+src_compile() {
+    src_compile_params=(
+        AR="${AR}"
+        AS="${AS}"
+        CC="${CC}"
+        HOSTCC="${CC}"
+        HOSTLD="${LD}"
+        LD="${LD}"
+        NM="${NM}"
+        OBJCOPY="${OBJCOPY}"
+        OBJDUMP="${OBJDUMP}"
+    )
+
+    edo emake \
+        "${src_compile_params[@]}" \
+         prepare modules_prepare bzImage modules
+}
+
+src_install() {
+    dodir /boot
+    insinto /boot
+    newins .config config-"${KV_FULL}"
+    newins System.map System.map-"${KV_FULL}"
+    newins arch/x86/boot/bzImage vmlinuz-"${KV_FULL}"
+
+    dodir /usr/src/linux-"${KV_FULL}"
+    insinto /usr/src/linux-"${KV_FULL}"
+    doins Module.symvers
+    doins System.map
+    exeinto /usr/src/linux-"${KV_FULL}"
+    doexe vmlinux
+
+    src_install_params=(
+        CC="${CC}"
+        HOSTCC="${CC}"
+    )
+
+    edo emake \
+        "${src_install_params[@]}" \
+        INSTALL_MOD_PATH="${IMAGE}"usr/"$(exhost --target)" modules_install
+
+    edo rm -f "${IMAGE}"usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"/build
+    edo rm -f "${IMAGE}"usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"/source
+    export local KSYMS
+    for KSYMS in build source ; do
+        dosym ../../../../../usr/src/linux-"${KV_FULL}" usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"/"${KSYMS}"
+    done
+}
+
+_grub2_update_grubcfg() {
+    if [ -x $(which grub-mkconfig) ]; then
+        grub-mkconfig -o "${ROOT}"boot/grub/grub.cfg
+    fi
+}
+
+_dracut_initrd_create() {
+    if [ -x $(which dracut) ]; then
+        dracut -N -f --kver="${KV_FULL}" "${ROOT}"boot/initrd-"${KV_FULL}"
+    fi
+}
+
+_dracut_initrd_delete() {
+    rm -rf "${ROOT}"boot/initrd-"${KV_FULL}"
+}
+
+_dkms_modules_delete() {
+    if [ -x $(which dkms) ] ; then
+        export local DKMSMOD
+        for DKMSMOD in $(dkms status | cut -d " " -f1,2 | sed -e 's/,//g' | sed -e 's/ /\//g' | sed -e 's/://g') ; do
+            dkms remove "${DKMSMOD}" -k "${KV_FULL}"
+        done
+    fi
+}
+
+_kernel_modules_delete() {
+    rm -rf "${ROOT}"usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"
+}
+
+pkg_postinst() {
+    if [ $(stat -c %d:%i /) == $(stat -c %d:%i /proc/1/root/.) ]; then
+        if option dracut; then
+            _dracut_initrd_create
+        fi
+
+        _grub2_update_grubcfg
+    fi
+}
+
+pkg_postrm() {
+    if [ $(stat -c %d:%i /) == $(stat -c %d:%i /proc/1/root/.) ]; then
+        if option dracut; then
+            _dracut_initrd_delete
+        fi
+
+        if use dkms; then
+            _dkms_modules_delete
+        fi
+
+        _kernel_modules_delete
+        _grub2_update_grubcfg
+    fi
+}